SEPs and CNS magnetic stimulation in syringomyelia.

Abstract:

:Somatosensory evoked potentials (SEPs) and motor evoked potentials (MEPs) to transcranial and spinal stimulation from upper and lower limb muscles were elicited in 13 patients with syringomyelia. Seven had an associated Chiari type I anomaly. Diagnosis was confirmed by MRI. In 5 cases, SEPs and MEPs were performed before and after surgical treatment. Prolonged central motor conduction times or absent motor responses in upper or lower limbs were found in most patients. The greatest number of abnormalities was disclosed by measurement of CMCT followed by SEPs after tibial nerve stimulation. Two of 5 cases undergoing surgery improved clinically and showed reduction in CMCT after surgical treatment. Our study shows that MEPs were useful in the evaluation of neurophysiological status in syringomyelia patients, helping to estimate anterolateral spinal cord function.

journal_name

Muscle Nerve

journal_title

Muscle & nerve

authors

Nogués MA,Pardal AM,Merello M,Miguel MA

doi

10.1002/mus.880150904

subject

Has Abstract

pub_date

1992-09-01 00:00:00

pages

993-1001

issue

9

eissn

0148-639X

issn

1097-4598

journal_volume

15

pub_type

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